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Finding the Fourth Proportional to 481,295.96, 664,257.92 and 277,307.79

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Solution

The fourth proportional to 481,295.96, 664,257.92 and 277,307.79 is: 382,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,295.96 : 664,257.92 = 277,307.79 : x
  2. Step 2: Convert to fraction form
    481,295.96/664,257.92 = 277,307.79/x
  3. Step 3: Cross multiply
    481,295.96x = 664,257.92 × 277,307.79
  4. Step 4: Simplify right side
    481,295.96x = 184,203,891,907.69
  5. Step 5: Solve for x
    x = 184,203,891,907.69/481,295.96
  6. Step 6: Final answer
    x = 382,724.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.